create_entity_relationship_set · TreeBeam MCP Server MCP

WHAT IT DOES

What create_entity_relationship_set does on TreeBeam MCP Server

AI agents use create_entity_relationship_set to create or update resources in TreeBeam MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your TreeBeam MCP Server environment.

WHY IT NEEDS A POLICY

Why create_entity_relationship_set needs a policy

This tool creates new data structures (entity relationship sets) within a financial accounting platform. While it modifies the system state, the operation is reversible (can be updated or deleted, as evidenced by sibling tools like delete_account), making it Write rather than Destructive or Financial.

From the tool's definition The tool name explicitly contains 'create' and the description states 'Create a new entity relationship set within a project', indicating data creation that modifies the financial management system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_entity_relationship_set Rate-limited

create_entity_relationship_set stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_entity_relationship_set": {
      "limits": [
        {
          "counter": "create_entity_relationship_set_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches TreeBeam MCP Server, so you can run agents against it safely.

FAQ

Questions about create_entity_relationship_set

What does the create_entity_relationship_set tool do? +

Create a new entity relationship set within a project. It is categorised as a Write tool in the TreeBeam MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_entity_relationship_set? +

Register the TreeBeam MCP Server MCP server in PolicyLayer and add a rule for create_entity_relationship_set: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches TreeBeam MCP Server. Nothing to install.

What risk level is create_entity_relationship_set? +

create_entity_relationship_set is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_entity_relationship_set? +

Yes. Add a rate_limit block to the create_entity_relationship_set rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block create_entity_relationship_set completely? +

Set action: deny in the PolicyLayer policy for create_entity_relationship_set. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides create_entity_relationship_set? +

create_entity_relationship_set is provided by the TreeBeam MCP Server MCP server (treebeam-code/tb-mcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.